5221517726 has 4 divisors (see below), whose sum is σ = 7832276592. Its totient is φ = 2610758862.

The previous prime is 5221517701. The next prime is 5221517761. The reversal of 5221517726 is 6277151225.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×5221517726² = 54528494725864422152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5221517726.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1305379430 + ... + 1305379433.

It is an arithmetic number, because the mean of its divisors is an integer number (1958069148).

Almost surely, 2^5221517726 is an apocalyptic number.

5221517726 is a deficient number, since it is larger than the sum of its proper divisors (2610758866).

5221517726 is a wasteful number, since it uses less digits than its factorization.

5221517726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610758865.

The product of its digits is 58800, while the sum is 38.

The square root of 5221517726 is about 72260.0700663928. The cubic root of 5221517726 is about 1734.8646009938.

The spelling of 5221517726 in words is "five billion, two hundred twenty-one million, five hundred seventeen thousand, seven hundred twenty-six".